Currently you need to specify a full name to execute test procedure / suite / package
Example:

exec ut.run('owner.test_package');
--or
exec ut.run('owner.test_package.test_procedure');

We could add ability to use '*' at the end of the package name to run all tests/suites by part of the name.
So I could call:

exec ut.run('owner.test_p*');
--or
exec ut.run('owner.test_package.test_pr*');

Adding the '*' at the end of the name should be most easy and most beneficial.

Allowing '*' in any place of name would be more natural, but there is very little value in it and implementation of such feature would be a bigger effort.